数字频率计课程设计

数字频率计课程设计

李正建:数字频率计

目录

0综述 ............................................................................................................................................... 1 1 方案论证........................................................................................................................................ 5 2 原理及技术指标 ............................................................................................................................. 6 3 单元电路设计及参数计算 ............................................................................................................... 8 3.1时基电路 ...................................................................................................................................... 8 3.2放大整形电路 ............................................................................................................................... 9 3.3逻辑控制电路 ............................................................................................................................... 9 3.4计数器 ........................................................................................................................................10 3.5锁存器 ........................................................................................................................................12 3.6译码电路 .....................................................................................................................................13 4 仿真..............................................................................................................................................13 5 设计小结.......................................................................................................................................14 5.1 设计任务完成情况 .....................................................................................................................14 5.2 问题及改进 ................................................................................................................................15 5.3 心得体会 ....................................................................................................................................15 6 参考书目.......................................................................................................................................15